import

themes/powerarrow/binclock.lua

@@ -0,0 +1,96 @@
+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2017, Luca CPZ
+      * (c) 2013, romockee
+
+--]]
+
+local gears = require("gears")
+local wibox = require("wibox")
+local dpi = require("beautiful.xresources").apply_dpi
+local date = os.date
+local ipairs = ipairs
+local math = math
+local select = select
+local string = string
+
+local binclock = {}
+
+function binclock.dec2bin(num, bits)
+    local bits, t = bits or select(2, math.frexp(num)), {}
+    for b = bits, 1, -1 do
+        t[b] = math.fmod(num, 2)
+        num = (num - t[b]) / 2
+    end
+    return t
+end
+
+function binclock.paintdot(cr, val, shift)
+    local height = 0
+    for _, bit in ipairs(binclock.dec2bin(val, 4)) do
+        if bit >= 1 then
+            cr:set_source(gears.color(binclock.color_active))
+        else
+            cr:set_source(gears.color(binclock.color_inactive))
+        end
+        cr:rectangle(shift, height, binclock.dotsize, binclock.dotsize)
+        cr:fill()
+        height = height + binclock.dotsize + binclock.step
+    end
+end
+
+local function factory(args)
+    local args = args or {}
+
+    binclock.width = args.width or dpi(42)
+    binclock.height = args.height or dpi(18)
+    binclock.show_seconds = args.show_seconds or false
+    binclock.color_active = args.color_active or "#CCCCCC"
+    binclock.color_inactive = args.color_inactive or "#444444"
+    binclock.dotsize = math.floor(binclock.height / 5)
+    binclock.step = math.floor(binclock.dotsize / 3)
+
+    binclock.widget = wibox.widget({
+        fit = function(self, context, width, height)
+            return binclock.width, binclock.height
+        end,
+        draw = function(self, context, cr, width, height)
+            local t = date("*t")
+
+            local hour = string.format("%02d", t.hour)
+            local min = string.format("%02d", t.min)
+            local sec = string.format("%02d", t.sec)
+
+            local col_count = 4
+            if binclock.show_seconds then
+                col_count = 6
+            end
+            local step = math.floor((binclock.width - col_count * binclock.dotsize) / 8)
+
+            binclock.paintdot(cr, string.sub(hour, 1, 1), step, 2)
+            binclock.paintdot(cr, string.sub(hour, 2, 2), binclock.dotsize + 2 * step)
+
+            binclock.paintdot(cr, string.sub(min, 1, 1), binclock.dotsize * 2 + 4 * step)
+            binclock.paintdot(cr, string.sub(min, 2, 2), binclock.dotsize * 3 + 5 * step)
+
+            if binclock.show_seconds then
+                binclock.paintdot(cr, string.sub(sec, 1, 1), binclock.dotsize * 4 + 7 * step)
+                binclock.paintdot(cr, string.sub(sec, 2, 2), binclock.dotsize * 5 + 8 * step)
+            end
+        end,
+        layout = wibox.widget.base.make_widget,
+    })
+
+    binclock.timer = gears.timer({
+        autostart = true,
+        timeout = binclock.show_seconds and 1 or 60,
+        callback = function()
+            binclock.widget:emit_signal("widget::redraw_needed")
+        end,
+    })
+
+    return binclock
+end
+
+return factory